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ZIP Code 57345 – Highmore, SD

Highmore, South Dakota · Hyde County · Central time

ZIP code57345
CityHighmore
StateSouth Dakota
CountyHyde County
Area code605
Population941
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area646.28 sq mi
Center (lat, long)44.5784, -99.4444

Map

Nearby ZIP codes

57540 Holabird · 11.4 mi57371 Ree Heights · 14.7 mi57536 Harrold · 19.6 mi57362 Miller · 19.8 mi57467 Orient · 22.1 mi57346 Stephan · 22.7 mi57522 Blunt · 26 mi57373 Saint Lawrence · 28 mi

About ZIP 57345

ZIP code 57345 is assigned to Highmore, South Dakota. It lies in Hyde County. Its Census area covers about 646.28 square miles of land. The closest neighboring ZIP is 57540 (Holabird), about 11.4 miles away.

Every address in 57345 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources